68804949780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{212479}}^1$

素因数の和:212758

約数の個数: 144

約数和(自身を含む): 239453061120

約数和(自身を除く): 170648111340

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 257, 315, 420, 514, 630, 771, 1028, 1260, 1285, 1542, 1799, 2313, 2570, 3084, 3598, 3855, 4626, 5140, 5397, 7196, 7710, 8995, 9252, 10794, 11565, 15420, 16191, 17990, 21588, 23130, 26985, 32382, 35980, 46260, 53970, 64764, 80955, 107940, 161910, 212479, 323820, 424958, 637437, 849916, 1062395, 1274874, 1487353, 1912311, 2124790, 2549748, 2974706, 3187185, 3824622, 4249580, 4462059, 5949412, 6374370, 7436765, 7649244, 8924118, 9561555, 12748740, 13386177, 14873530, 17848236, 19123110, 22310295, 26772354, 29747060, 38246220, 44620590, 53544708, 54607103, 66930885, 89241180, 109214206, 133861770, 163821309, 218428412, 267723540, 273035515, 327642618, 382249721, 491463927, 546071030, 655285236, 764499442, 819106545, 982927854, 1092142060, 1146749163, 1528998884, 1638213090, 1911248605, 1965855708, 2293498326, 2457319635, 3276426180, 3440247489, 3822497210, 4586996652, 4914639270, 5733745815, 6880494978, 7644994420, 9829278540, 11467491630, 13760989956, 17201237445, 22934983260, 34402474890, 68804949780]

約数ペア:

[(1, 68804949780), (2, 34402474890), (3, 22934983260), (4, 17201237445), (5, 13760989956), (6, 11467491630), (7, 9829278540), (9, 7644994420), (10, 6880494978), (12, 5733745815), (14, 4914639270), (15, 4586996652), (18, 3822497210), (20, 3440247489), (21, 3276426180), (28, 2457319635), (30, 2293498326), (35, 1965855708), (36, 1911248605), (42, 1638213090), (45, 1528998884), (60, 1146749163), (63, 1092142060), (70, 982927854), (84, 819106545), (90, 764499442), (105, 655285236), (126, 546071030), (140, 491463927), (180, 382249721), (210, 327642618), (252, 273035515), (257, 267723540), (315, 218428412), (420, 163821309), (514, 133861770), (630, 109214206), (771, 89241180), (1028, 66930885), (1260, 54607103), (1285, 53544708), (1542, 44620590), (1799, 38246220), (2313, 29747060), (2570, 26772354), (3084, 22310295), (3598, 19123110), (3855, 17848236), (4626, 14873530), (5140, 13386177), (5397, 12748740), (7196, 9561555), (7710, 8924118), (8995, 7649244), (9252, 7436765), (10794, 6374370), (11565, 5949412), (15420, 4462059), (16191, 4249580), (17990, 3824622), (21588, 3187185), (23130, 2974706), (26985, 2549748), (32382, 2124790), (35980, 1912311), (46260, 1487353), (53970, 1274874), (64764, 1062395), (80955, 849916), (107940, 637437), (161910, 424958), (212479, 323820)]